Reports and Injuries by State

Top 20 states, 2020–2025

Note that all data is extracted from publicly avalible accident reports from the AAC, and the data is assumed to be incomplete:

For more information on how the accident risk factors are extraced, see the Article Text Analysis elsewhere in this repo.

Top 20 states by total injuries, 2020–2025


Reports and Injuries by Immediate Cause

2020–2025 - Reports with multiple causes counted once per cause

2020–2025 - Accidents with multiple causes counted once per cause


Party Size Distribution

2020–2025 - Excludes solo climbers and reports with no party size data


Injuries by YDS Grade

2020–2025 - Grades simplified to nearest full grade (e.g. 5.10a = 5.10)


No Helmet by State / Region

States with 5+ accidents, 2020–2025


Analysis by Nate Downer

Data from https://publications.americanalpineclub.org/